Introduce WindowInfo::InputConfig flag to control input behavior

Instead of re-using layoutParams flags and layoutParam types and having
redundant information in WindowInfo, we add a new InputConfig flag that
the native input pipeline will use for all input window configurations.

This also reduces WindowInfo's size by converting booleans into flags.

Bug: 216806304
Test: atest libgui_test
Test: atest inputflinger_tests
Change-Id: If0354cc2cfc84986f7f0d48cd9348be1ff82293d
diff --git a/services/inputflinger/dispatcher/FocusResolver.cpp b/services/inputflinger/dispatcher/FocusResolver.cpp
index 600f02b..a02b3e8 100644
--- a/services/inputflinger/dispatcher/FocusResolver.cpp
+++ b/services/inputflinger/dispatcher/FocusResolver.cpp
@@ -148,11 +148,11 @@
             continue;
         }
         windowFound = true;
-        if (window->getInfo()->visible) {
+        if (!window->getInfo()->inputConfig.test(gui::WindowInfo::InputConfig::NOT_VISIBLE)) {
             // Check if at least a single window is visible.
             visibleWindowFound = true;
         }
-        if (!window->getInfo()->focusable) {
+        if (window->getInfo()->inputConfig.test(gui::WindowInfo::InputConfig::NOT_FOCUSABLE)) {
             // Check if all windows with the window token are focusable.
             allWindowsAreFocusable = false;
             break;